ZWS-50BAF-12

AC/DC Open Frame Power Supply (PSU), ITE, 1 Output, 51.6 W, 85V AC to 265V AC, Adjustable, Fixed

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: TDK-LAMBDA
Product type: AC / DC Open Frame Power Supplies
No. of Outputs:1 Output; Power Rating (Covection Cooling):51.6W; Power Rating (Forced Cooling):-; Input Voltage VAC:85V AC to 265V AC; Power Supply Output Type:Adjustable, Fixed; Output Voltag
SVHC: No SVHC (15-Jan-2018)
Product Range: ZWS-BAF Series
No. of Outputs: 1 Output
Output Power Max: 51.6W
Input Voltage VAC: 85V AC to 265V AC
Input Voltage AC Max: 265V
Input Voltage AC Min: 85V
Power Supply Output Type: Adjustable, Fixed
Output Current - Output 1: 4.3A
Output Current - Output 2: -
Output Current - Output 3: -
Output Current - Output 4: -
Output Voltage - Output 1: 12VDC
Output Voltage - Output 2: -
Output Voltage - Output 3: -
Output Voltage - Output 4: -
Power Supply Applications: ITE
Power Rating (Forced Cooling): -
Power Rating (Convection Cooling): 51.6W

Delivery and price
Units per pack	50
Price	44.46 €
Current stock	10+
Lead time	30 days

Datasheet

## **ZWS-BAF Series** 

**www.** uk.tdk-lambda.com/zws-baf 

## **50W to 300W Single Output Power Supplies, Low Cost & High Reliability Worldwide Use** 

||**Features**||**Benefits**||
|---|---|---|---|---|
||• 10 Year e-cap Lifetime||• Better Field Reliability||
||• 5 Year Warranty||• Lower Cost of Ownership||
||• Convection Cooling||• Easier Use||
||||||
|**Specification**<br> **MODEL**<br>**ZWS50-BAF**<br>**ZWS75-BAF**<br>**ZWS100-BAF**<br>**ZWS150-BAF**<br>**ZWS300-BAF**<br>ITEMS<br>AC Input Voltage range<br>-<br>85 - 265VAC (47-63Hz)<br>DC Input Voltage range<br>-<br>120 - 370VDC<br>Input Current (typical)   (1)<br>A<br>3V model: 0.45/0.25<br>3V model: 0.7/0.35<br>3V model: 0.9/0.45<br>3V model: 1.3/0.65<br>12 & 15V models:<br> <br>others: 0.65/0.35<br>others: 0.95/0.5<br>others:1.3/0.65<br>others: 1.9/0.95<br>3.7/1.9. others:3.6/1/8<br>Inrush Current - cold start   (1)<br>A<br>15/28<br>14/28<br>28<br>14/28<br>15/ 30<br>PFHC<br>-<br>All models with Active Power Factor Correction - Designed to meet EN/IEC61000-3-2<br>Power Factor   (1)<br>-  3V model: 0.96/0.85<br>3V model: 0.96/0.85<br>3V model: 0.96/0.89<br>0.97/0.93<br>Input Current (typical)             (1) A<br>others: 0.97/0.91<br>others: 0.97/0.91<br>others:0.98/0.93<br>3.6 7 /.8<br>Temperature Coefficient<br>-<br><0.02%/ °C<br>Hold Up time (Typ)   (1)<br>ms<br>20ms<br>18ms (typ) at 100Vac & full Load<br>(20ms at 100Vac & 80% load)<br>Leakage Current   (3)<br>mA<br>0.2 / 0.4 max.<br>Remote On/Off<br>-<br>Option  ( see table next page )<br>Cooling<br>-<br>All models are convection cooling<br>Operating Temperature   (2)<br>-<br>-10°C to +70°C, derate linearly to 50% load from 50°C to 70°C<br>-10° to +70°C, derate linearly to<br>(Convection)<br>40% load from 45° to 70°C<br>(from 40°C for 12 & 15V models)<br>Operating Temperature   (2)<br>(Forced  Air)<br>Refer to output derating specifications<br>E-cap lifetime   (5)<br>-<br>Up to 10 years; 45°C ambient, 100% full load, 24 hours<br>Storage Temperature<br>°C<br>-30°C to +75°C<br>Humidity (non condensing)<br>-<br>Operating: 30 - 90% RH, Storage: 10 - 90% RH<br>Withstand Voltage<br>-<br>I/P to Gnd 2kVAC (10mA), I/P to O/P: 3kVAC (10mA), O/P to Gnd: 500VAC (20mA) for 1mn<br>Isolation Resistance<br>Ω<br>>100MΩ at 25°C & 70%RH, Output to Gnd: 500VDC<br>Vibration (non operating)<br>-<br>10 - 55Hz (1 minute sweep), 19.6m/s2constant X, Y, Z 1 hour each<br>Shock<br>-<br><196.1 m/s<br>Safety agency Certifications<br>-<br>UL60950-1, CSA60950-1, EN60950-1, EN50178 (OV II), CE Mark<br>Conducted & Radiated EMI<br>-<br>EN55011 / EN55022-B, FCC-B, VCCI-B<br>Immunity<br>-<br>IEC61000-6-2 ; IEC61000-4-2, -3, -4, -5, -6, -8, -11<br>Weight (Typ)<br>g<br>165<br>230<br>290<br>390<br>540<br>Size (W x H x D)   (4)<br>mm<br>50 x 26 x 132<br>50 x 33 x 150<br>62 x 33 x 155<br>75 x 37 x 160<br>84 x 42 x 180<br>Warranty<br>yrs<br>5<br>~~=~~|||||
||**Notes:**||||
||(1)   100 / 200VAC Input, nominal output voltage and max. output power<br>(2)   Refer to Thermal Specifications & Application Notes||||
||(3)   100 / 230VAC input||||
||(4)   Refer to Outline Drawing||||
||(5)   Refer to Reliability Data||||
||||ZWS-BAF Series|1|



## **Model Selector** 

|**Model**|**Output**<br>**Voltage**|**Output Adjust**<br>**Range**|**Max.**<br>**Current**|**Max. Output Efficiency**<br>**Power**|**Max. Output Efficiency**<br>**at 200VAC**|**Max. Ripple**<br>**and Noise**|**Load**<br>**Reg.**|**Line**<br>**Reg.**|**OCP**<br>**(A)**|**OVP**<br>**(V)**|
|---|---|---|---|---|---|---|---|---|---|---|
||**(V)**|**(V)**|**(A)**|**(W)**|**(%)**|**(mv pk-pk)**|**(mV)**|**(mV)**|||
|ZWS50BAF-3|3.3|2.97-3.63|10|33.0|78|160|40|20|>10.5|3.79-4.95|
|ZWS50BAF-5|5|4.5-5.5|10|50.0|84|160|40|20|>10.5|5.75-7.0|
|ZWS50BAF-12|12|10.8-13.2|4.3|51.6|85|180|96|48|>4.51|13.8-16.2|
|ZWS50BAF-15|15|13.5-16.5|3.5|52.5|86|180|120|60|>3.67|17.3-20.3|
|ZWS50BAF-24|24|21.6-26.4|2.1|50.4|87|180|150|96|>2.2|27.6-32.4|
|ZWS50BAF-48|48|39.5-52.8|1.1|52.8|86|240|240|192|>1.15|55.2-64.8|
|ZWS75BAF-3|3.3|2.97-3.63|15|49.5|78|160|40|20|>15.7|3.79-4.95|
|ZWS75BAF-5|5|4.5-5.5|15|75.0|84|160|40|20|>15.7|5.75-7.0|
|ZWS75BAF-12|12|10.8-13.2|6.3|75.6|85|180|96|48|>6.61|13.8-16.2|
|ZWS75BAF-15|15|13.5-16.5|5|75.0|86|180|120|60|>5.25|17.3-20.3|
|ZWS75BAF-24|24|21.6-26.4|3.2|76.8|87|180|150|96|>3.36|27.6-32.4|
|ZWS75BAF-48|48|39.5-52.8|1.6|76.8|88|240|240|192|>1.68|55.2-64.8|
|ZWS100BAF-3|3.3|2.97-3.63|20|66.0|84|160|40|20|>21.0|3.79-4.95|
|ZWS100BAF-5|5|4.5-5.5|20|100.0|86|160|40|20|>21.0|5.75-7.0|
|ZWS100BAF-12|12|10.8-13.2|8.5|102.0|88|180|96|48|>8.93|13.8-16.2|
|ZWS100BAF-15|15|13.5-16.5|6.7|100.5|88|180|120|60|>7.04|17.3-20.3|
|ZWS100BAF-24|24|21.6-26.4|4.3|103.2|89|180|150|96|>4.52|27.6-32.4|
|ZWS100BAF-48|48|39.5-52.8|2.1|100.8|90|240|240|192|>2.21|55.2-64.8|
|ZWS150BAF-3|3.3|2.97-3.63|30|99|84|160|40|20|>31.5|3.79-4.95|
|ZWS150BAF-5|5|4.5-5.5|30|150|87|60|40|20|>31.5|5.75-7|
|ZWS150BAF-12|12|10.8-13.2|12.5|150|88|180|96|48|>13.13|13.8-16.2|
|ZWS150BAF-15|15|13.5-16.5|10|150|89|180|120|60|>10.5|17.3-20.3|
|ZWS150BAF-24|24|21.6-26.4|6.3|151.2|90|180|150|96|>6.62|27.6-32.4|
|ZWS150BAF-48|48|39.5-52.8|3.2|153.6|91|240|240|192|>3.36|55.2-64.8|
|ZWS300BAF-12|12|9.6-13.2|25.0(1)|300(1)|89|180|100|48|>26.25|13.8-16.2|
|ZWS300BAF-15|15|13.5-16.5|20.0(1)|300(1)|89|180|120|60|>23.1|17.3-20.3|
|ZWS300BAF-24|24|21.6-27.5|12.5(1)|300(1)|91|180|150|96|>14.7|28.8-33.6|
|ZWS300BAF-36|36|32.4-39.6|8.4(1)|302.4(1)|91|300|240|144|>9.87|41.4-48.6|
|ZWS300BAF-48|48|39.5-52.8|6.3(1)|302.4(1)|91|300|240|192|>7.35|55.2-64.8|



**Notes:** (1)  Values given for Convection Cooling: refer to detailed Specifications & Application Notes for 0.7m/s & 1.4m/s Forced Air 

## **Option Description** 

**==> picture [192 x 11] intentionally omitted <==**

**----- Start of picture text -----**<br>
/A Option /L Option<br>**----- End of picture text -----**<br>


||**Suffix**|
|---|---|
|L-Plate and Cover|/A|
|L-Plate|/L|
|Conformally coated PCB|/CO2|
|Fixed Output Voltage|/FV|
|Remote on/off|/R|
|Terminal Block|/T|
|Terminal Block with L-Plate|/TL|
|Terminal Block with L-Plate & Cover|/TA|



## **ZWS-BAF Option Matrix** 

|**Power**|**/A**|**/L**|**/CO2**<br>|**/CO2**<br>**/FV**<br> **available for 12**|**/R**|**/T**|**/TL /TA**|**/TL /TA**|
|---|---|---|---|---|---|---|---|---|
|||||**24 & 48V models**|||||
|50W|3|3|3|3|||||
|75W|3|3|3|3|||||
|100W|3|3|3|3|3||||
|150W|3|3|3|3|3||||
|300W|3|3|3||3|3|3|3|



**Note:** Contact Sales for availability of /TL option 

ZWS-BAF Series 

2 

**==> picture [516 x 35] intentionally omitted <==**

## **Outline Drawing ZWS50BAF** 

**==> picture [396 x 176] intentionally omitted <==**

**----- Start of picture text -----**<br>
����������<br>�����<br>���������� ������<br>�������<br>������<br>�����������<br>�������������<br>Notes:<br>vibration specification.<br>accordance with the specifications.<br>C: Country of manufacture will be shown here.   D:      is for safety ground connection.<br>**----- End of picture text -----**<br>


A: 4 - 3.5mm Ø holes are for customers chassis mounting holes. All must be screwed in order to conform the vibration specification. 

B:  Model name, input voltage range  nominal output voltage and maximum output current are shown here in accordance with the specifications. 

C: Country of manufacture will be shown here.   D:      is for safety ground connection. 

E: To keep the distance more than 4mm between  PCB edge and customer’s chassis. 

## **Outline Drawing ZWS75BAF** 

**==> picture [162 x 159] intentionally omitted <==**

**----- Start of picture text -----**<br>
����������<br>�����<br>���������� ������<br>�������<br>������<br>�����������<br>�������������<br>**----- End of picture text -----**<br>


**==> picture [271 x 122] intentionally omitted <==**

Notes: 

A: 4 - 3.5mm Ø holes are for customers chassis mounting holes. All must be screwed in order to conform the vibration specification. B: Model name, input voltage range  nominal output voltage and maximum output current are shown here in accordance with the specifications. 

C: Country of manufacture will be shown here.      D:      is for safety ground connection. 

E:  To keep the distance more than 4mm between  PCB edge and customer’s chassis. 

## **Outline Drawing ZWS100BAF** 

## Notes: 

A: 4 - 3.5mm Ø holes are for customers chassis mounting holes. All must be screwed in order to conform the vibration specification. 

B:  Model name, input voltage range  nominal output voltage and maximum output current are shown here in accordance with the specifications. 

C: Country of manufacture will be shown here.      D:       is for safety ground connection. 

E: To keep the distance more than 4mm between  PCB edge and customer’s chassis. 

F: Remote On/Off Control Connector (CN52):  B2B-XH-AM (J.S.T.)   Option Matching Housing: XHP-2 (J.S.T.).  Matching Terminal: BXH-001T-P0.6 (J.S.T.) or SXH-001T-P0.6 (J.S.T.)   Hand Crimping Tool: YC-110R (J.S.T.) or YRS-110 (J.S.T.)  Matching Housing & Terminal --- not included with the product. 

ZWS-BAF Series 

3 

**==> picture [516 x 34] intentionally omitted <==**

## **Outline Drawing ZWS150BAF** 

Notes: 

A: 4 - 3.5mm Ø holes are for customers chassis mounting holes. All must be screwed in order to conform the vibration specification. 

B: Model name, input voltage range  nominal output voltage and maximum output current are shown here in accordance with the specifications. 

C: Country of manufacture will be shown here.      D:       is for safety ground connection. 

E:  To keep the distance more than 4mm between  PCB edge and customer’s chassis. 

F: Remote On/Off Control Connector (CN52):  B2B-XH-AM (J.S.T.)   Option Matching Housing: XHP-2 (J.S.T.). Matching Terminal: BXH-001T-P0.6 (J.S.T.) or SXH-001T-P0.6 (J.S.T.)   Hand Crimping Tool: YC-110R (J.S.T.) or YRS-110 (J.S.T.) Matching Housing & Terminal --- not included with the product. 

## **Outline Drawing ZWS300BAF** 

**==> picture [236 x 111] intentionally omitted <==**

## Notes: 

A: 4 - 3.5mm Ø hole ~~s~~ are for customers chassis mounting holes. All must be screwed in order to c ~~on~~ form the vibration specification. 

**==> picture [53 x 44] intentionally omitted <==**

**----- Start of picture text -----**<br>
ZWS300BAF- 24/<br>INPUT 100-240VAC    4.0A<br>OUTPUT 24 V  14 A 50-60Hz<br>R MADE IN JAPAN<br>EHFP<br>**----- End of picture text -----**<br>


B: Model name, input voltage range  nominal output voltage and maximum output current are shown ~~h~~ ere in accor ~~d~~ anc ~~e~~ with the ~~s~~ pecification ~~s.~~ C: Co ~~un~~ try o ~~f~~ manufacture will be shown here.      D:       is for safety ground connection. E:  To keep t ~~h~~ e ~~d~~ is ~~tan~~ ce more than 4mm between  PCB edge and customer’s chassis. F: Optiion Model (ZWS300BAF-*/R). Remote On/Off Control Connector (CN52):  B2BXH-AM (J.S. ~~T.~~ ) Matching Housing: XHP-2 (J.S.T.).  Matching Terminal: BXH-001T-P0.6 (J.S.T.) or SXH-00 ~~1~~ T-P0.6 (J. ~~S.~~ T.)   Hand Crimping Tool: YC-110R (J.S.T.) or YRS-110 (J.S.T.) Matching Housing & Terminal --- not included with the product. 

**==> picture [215 x 64] intentionally omitted <==**

ZWS-BAF Series 

4 

## **ZWS-BAF Output Derating** 

||**ZWS-BAF 50 to 150W Models**|**ZWS-BAF 50 to 150W Models**|**ZWS-BAF 50 to 150W Models**||||**ZWS-BAF 50 to 150W Models**|**ZWS-BAF 50 to 150W Models**|**ZWS-BAF 50 to 150W Models**|**ZWS-BAF 50 to 150W Models**||
|---|---|---|---|---|---|---|---|---|---|---|---|
|||**Mounting A, B(1)**||||||||||
|**Ta (°C)**||**Load %**<br>**Convection**|**0.7m/s airflow**|||é <br>=|~~es~~<br> 100<br>80|~~es~~|~~es~~|~~es~~|~~es~~|
|-10 - 35<br>40<br>45|-10 - 35|100%<br>100%<br>100%|100%<br>100%<br>100%|||ge<br>=<br>26<br>a<br>=<br>20<br>6<br>5||||||
|50||100%|100%||||-10to+30|© 40|50<br>Ta (*C)|60||
|60||75%|100%|||||||||
|70||50%|70%|||||||||
|||||||||||||
||**ZWS-BAF 300W 12V & 15V Models**||||||**ZWS-BAF 300W 12V & 15V Models**|||**ZWS-BAF 300W 12V & 15V Models**||
|||**Mounting A(1)**|||||ee|ee|ee|ee|ee|
|**Ta (°C)**<br>-10 - +30<br>40||**Load %**<br>**Convection**<br>100%<br>100%|**1.4m/s airflow**<br>100%<br>100%|||g 109[<br>é «<br>240<br>3||||||
|50||80%|100%|||Go|20|||||
|60<br>70||60%<br>40%|80%<br>60%||||0<br>10 +30|40|so<br>Ta (*C)|60|70|
|||||||||||||
||**ZWS-BAF 300W 24V, 36V & 48V Models**||**ZWS-BAF 300W 24V, 36V & 48V Models**||||**ZWS-BAF 300W 24V, 36V & 48V Models**|||**ZWS-BAF 300W 24V, 36V & 48V Models**||
|||**Mounting A, B(1)**||||||||||
|||**Load %**|||||120|||||
|**Ta (°C)**<br>-10 - +30<br>40||**Convection**<br>100%<br>100%|**0.7m/s airflow**<br>100%<br>100%|**1.4m/s airflow**<br>100%<br>100%||% <br>E <br>H|100<br>-<br> 80<br>‘60<br>40|=|-|;||
|50||88%|100%|100%||©|20|||||
||||||||Oo|||||
|60||64%|100%|100%|||-10 to +30|40|50|60|70|
|70||40%|60%|70%|||||Tate)|||
|||||||||||||
|||**Standard Mounting**|**Standard Mounting**||||**ZWS-BAF 300W all Models**|||||



**==> picture [138 x 131] intentionally omitted <==**

**----- Start of picture text -----**<br>
Standard Mounting<br>.<br>CN1GNPUT) FIN<br>a<br>ee<br>| 4<br>CNI1<br>Mounting A Mounting B<br>**----- End of picture text -----**<br>


## **ZWS-BAF 300W all models** 

**Note: (1)** For other Mounting orientations, refer to Detailed Specifications & Application Notes 

**Input Voltage VAC LOAD %** 85 80 90 - 265 100 

ZWS-BAF Series 

5 

**TDK-Lambda France SAS** ZAC des Delaches CS 41077 9 rue Thuillere 91978 Villebon Courtaboeuf France Tel: +33 1 60 12 71 65 Fax: +33 1 60 12 71 66 france@fr.tdk-lambda.com www.fr.tdk-lambda.com 

## **Italy Sales Office** 

Via dei Lavoratori 128/130 20092 Cinisello Balsamo (MI) Italy Tel: +39 02 61 29 38 63 Fax: +39 02 61 29 09 00 info.italia@it.tdk-lambda.com www.it.tdk-lambda.com 

**TDK-Lambda UK Ltd.** Kingsley Avenue Ilfracombe Devon EX34 8ES United Kingdom Tel: +44 (0) 12 71 85 66 66 Fax: +44 (0) 12 71 86 48 94 powersolutions@uk.tdk-lambda.com www.uk.tdk-lambda.com 

**TDK-Lambda Ltd.** Kibbutz Givat Hashlosha 48800 Israel Tel: +9 723 902 4333 Fax: +9 723 902 4777 info@tdk-lambda.co.il www.tdk-lambda.co.il 

## **Netherlands** 

info@tdk-lambda.nl www.tdk-lambda.nl 

## **C.I.S.** 

**Commercial Support:** Tel: +7 (495) 665 2627 **Technical Support:** Tel: +7 (812) 658 0463 info@tdk-lambda.ru www.tdk-lambda.ru 

## **TDK-Lambda Germany GmbH** 

Karl-Bold-Strasse 40 info@tdk-lambda.ru 77855 Achern www.tdk-lambda.ru Germany Tel: +49 7841 666 0 Fax: +49 7841 5000 info.germany@de.tdk-lambda.com www.de.tdk-lambda.com **Local Distribution** Cc[tti(‘“‘“C:;OS™S*~*~*~*~*~*~*™Y] 

## **Austria Sales Office** 

Aredstrasse 22 2544 Leobersdorf Austria Tel: +43 2256 655 84 Fax: +43 2256 645 12 info.germany@de.tdk-lambda.com www.de.tdk-lambda.com 

## **Switzerland Sales Office** 

Bahnhofstrasse 50 8305 Dietlikon Switzerland Tel: +41 44 850 53 53 Fax: +41 44 850 53 50 info@de.tdk-lambda.com www.de.tdk-lambda.com 

**www.emea.tdk-lambda.com** 

ZWS-BAF Nov15 v8 

ZWS-BAF Series 

6

Updated at April 27, 2026

TDK-Lambda is globally recognized as a premier manufacturer of highly reliable power supply solutions and power management equipment. With a strong engineering heritage, the company is a trusted partner for mission-critical applications across the industrial, medical, telecommunications, and test and measurement sectors, delivering components that meet stringent international performance and safety standards. Our extensive portfolio of TDK-Lambda products is heavily focused on comprehensive power and line protection, highlighted by a vast selection of industry-leading AC/DC converters. Engineered to deliver exceptional efficiency and stable performance in demanding environments, these power supplies form the backbone of our offering and are built to support the rigorous power demands of modern electronic infrastructure. To complement these primary power solutions, we also offer a targeted range of high-performance DC/DC converters designed for precise, board-level voltage regulation. Furthermore, to ensure the optimal performance and longevity of these power systems, our catalog includes specialized cooling and thermal management components, such as natural convection heat sinks, providing complete thermal stability for your most critical designs.

About Novapart

Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.

Learn more →

Stock Shortage Specialist

When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.

Request a quote →

Compliant Alternatives

We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.

BOM Analysis service →